On the Number of Collisions in $Lambda$-Coalescents

On the Number of Collisions in $Lambda$-Coalescents
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关于$Lambda$-聚结剂中的碰撞次数

DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
Y. Yakubovich
Y. Yakubovich
中科院分区:
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文献类型:
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作者:
A. Gnedin;Y. Yakubovich

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我们考察了从$n$粒子开始的$Lambda$-聚结过程中的碰撞总数$C_n$。在指数为$0<α<1的测度$Lambda$在$0$附近的类似幂行为的假设下,证明了$C_n$的线性增长和稳定的极限律。
We examine the total number of collisions $C_n$ in the $Lambda$-coalescent process which starts with $n$ particles. A linear growth and a stable limit law for $C_n$ are shown under the assumption of a power-like behaviour of the measure $Lambda$ near $0$ with exponent $0<alpha<1$.